stdlib.h

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#ifndef STDLIB_H
#define STDLIB_H
 
#include "types.h"
 
Word getMemorySize(void) {
    Word size;
    asm("int 0x12"
        :"=a"(size));
    return size;
}
 
void udelay(unsigned long usecs);
void udelay(unsigned long usecs) {
    //http://vitaly_filatov.tripod.com/ng/asm/asm_026.13.html
    asm("int 0x15"
        :
        :"a"(0x8600), "c"(usecs>>16), "d"((Word)usecs));
}
 
void exit(int val) {
    asm("push cx\n"
        "push bx\n"
        "push dx\n"
        "iretw"::"a"(val), "d"(*(int*)(0x8)), "b"(0x1000), "c"(0));
}
 
#endif